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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Fri, Mar-22-2019, 04:53:50 PM   #41
aznbo187
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Default Re: **YCW 3rd GEN CF D/S NEW IMPROVED VERSION COMING TO MARKET**

For someone who hasn't really kept up with the evolution of this "shaft" - is this applicable if you also slide your car (i.e. clutch kicks)?

Also, are any additional modifications required or is this a 100% replacement for stock.

What is the expected lifespan of a CF shaft? The factory one to my knowledge doesn't have any issues and only requires periodic guibo maintenance (which could be a negative if this has zero issues lasting 150k+ miles or more)
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Old Fri, Mar-22-2019, 05:35:45 PM   #42
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Default Re: **YCW 3rd GEN CF D/S NEW IMPROVED VERSION COMING TO MARKET**

Quote:
Originally Posted by aznbo187 View Post
For someone who hasn't really kept up with the evolution of this "shaft" - is this applicable if you also slide your car (i.e. clutch kicks)?

Also, are any additional modifications required or is this a 100% replacement for stock.

What is the expected lifespan of a CF shaft? The factory one to my knowledge doesn't have any issues and only requires periodic guibo maintenance (which could be a negative if this has zero issues lasting 150k+ miles or more)
Anything that you can do w/a factory d/s, you should be able to do w/this one, and yeahya, it's a 100% replacement for stock. It eliminates the need for the factory CSB, but retains the factory guibo. I don't think that any of these have been out in the wild long enough to say that it will last x amount of miles, but it uses very high quality joints/flanges, and should in theory last as long as a factory d/s.
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Old Fri, Mar-22-2019, 05:42:12 PM   #43
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Default Re: **YCW 3rd GEN CF D/S NEW IMPROVED VERSION COMING TO MARKET**

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Originally Posted by stash1 View Post
Anything that you can do w/a factory d/s, you should be able to do w/this one, and yeahya, it's a 100% replacement for stock. It eliminates the need for the factory CSB, but retains the factory guibo. I don't think that any of these have been out in the wild long enough to say that it will last x amount of miles, but it uses very high quality joints/flanges, and should in theory last as long as a factory d/s.
Does it have an expansion joint?
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Old Fri, Mar-22-2019, 05:46:35 PM   #44
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Default Re: **YCW 3rd GEN CF D/S NEW IMPROVED VERSION COMING TO MARKET**

The CV joint has a little in/out movement, similar to your axle shafts.
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Old Fri, Mar-22-2019, 05:48:40 PM   #45
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Default Re: **YCW 3rd GEN CF D/S NEW IMPROVED VERSION COMING TO MARKET**

There is around 3cm of movement range in the CV
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Old Sat, Mar-23-2019, 10:00:01 PM   #46
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Default Re: **YCW 3rd GEN CF D/S NEW IMPROVED VERSION COMING TO MARKET**

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There is around 3cm of movement range in the CV
Would this be a problem for a custom driveshaft that is the same as this but shorter and that used a u-joint instead of a CV? Since there is not adjustment?
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Old Thu, May-30-2019, 08:31:58 PM   #47
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Default Re: **YCW 3rd GEN CF D/S NEW IMPROVED VERSION COMING TO MARKET**

Any teasers to hold us over until it becomes available?
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Old Thu, May-30-2019, 11:21:46 PM   #48
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Default Re: **YCW 3rd GEN CF D/S NEW IMPROVED VERSION COMING TO MARKET**

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Originally Posted by dothraki View Post
Any teasers to hold us over until it becomes available?
Hey man, yes, just had a very well respected member of the community finish up w/the install in his stroker motor 6spd M3...and there will be a review coming very soon-I promise!
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Old Thu, May-30-2019, 11:59:48 PM   #49
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Default Re: **YCW 3rd GEN CF D/S NEW IMPROVED VERSION COMING TO MARKET**

nice, looking forward to see pricing etc
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Old Fri, May-31-2019, 03:51:47 PM   #50
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Default Re: **YCW 3rd GEN CF D/S NEW IMPROVED VERSION COMING TO MARKET**

I'm very curious about the durability of these shafts (not in a negative sense). I implemented CF D/S for my uni's FSAE team and have some experience with these parts in design, analysis and testing. In our experience, we never had a problem with the adhesive bond but Did have issues with the tubes splintering mid-shaft over time. I only worked on the project for one year and we were also making our own tubes which is no doubt played a large factor in the failures.

Is YCW able to comment on the design life of these D/S? What was their design goal for these? Same or better than stock? What was the factor of safety?

Please don't take these questions as doubt, they are only coming from a place of genuine curiosity. Thank you for supporting our old platforms!
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Discussing **YCW 3rd GEN CF D/S NEW IMPROVED VERSION COMING TO MARKET** in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)